Groupon offers the Gunnar Optiks Gaming Glasses in Vayper (Vay 0010) for $39.99 with free shipping. That's the lowest total price we could find for any Gunnar Optiks gaming glasses by $15, although we saw them for $4 less two weeks ago. They feature anti-glare, amber lenses and purport to prevent eye damage. Deal ends July 22.
Note that this item may take up to 12 business days to arrive.